X-ray structure analysis of the catalytic and allosteric sites of glucosaminase-6-phosphate deaminase from escherichia coli k12 - Fontes, M R M; Horjales, Eduardo; Garratt, Richard Charles; Altamirano, M; Calcagno, M L; Oliva, Glaucius (Workshop: Structural Molecular Biology Using Synchrotron Radiation, 1995)